select python code from info view
Have a look at the UserPreferences->Input->Info



The 'Select Mouse' on window is a right-click. This will highlight a line, and the same action to remove the highlight. Whatever you use on the Mac to select geometry, should be the same key that will work in the info-window to select lines.

Copy Reports: will copy highlighted reports.  

short-comings: (November 2015)
It isn't currently possible to select part of a line, it's the whole line or nothing.